The microbiome inside the penis can be altered by vaginal sex

The microbiome inside the penis can be altered by vaginal sex

The penis plays host to a collection of bacteria known as the penile microbiome, and an analysis of urethral swabs has found that men who have vaginal sex can pick up bacteria normally found in the vagina

A Hidden Microbiome Inside the Penis Is Altered in Men Who Have Vaginal Sex

Advocates of drinking your own pee look away: not only is urine not sterile, but a new study suggests that a significant proportion of the microbes in the male urethra come from a source outside the body – at least in men who have vaginal sex.